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CR16: fix CR16C TBIT instruction #8716

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CR16: fix CR16C TBIT instruction #8716

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12 changes: 3 additions & 9 deletions Ghidra/Processors/CR16/data/languages/CR16C.sinc
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Original file line number Diff line number Diff line change
Expand Up @@ -1240,20 +1240,14 @@ macro do_lshb(count, dest) {
*:2 tmp = val | mask; # clear bit, store
}

# TBIT - test bit
# TBIT - test bit in register
:TBIT imm4a, src1 is hi=0x06 & imm4a & src1 {
tmp:4 = zext(src1);
val:2 = *:2 tmp; # load dst operand
mask:2 = 1 << imm4a;
bit:2 = (val & mask) >> imm4a;
$(F) = bit:1; # save bit
$(F) = (src1 & mask) != 0;
}
:TBIT src, src1 is hi=0x07 & src & src1 {
tmp:4 = zext(src1);
val:2 = *:2 tmp; # load dst operand
mask:2 = 1 << src;
bit:2 = (val & mask) >> src;
$(F) = bit:1; # save bit
$(F) = (src1 & mask) != 0;
}

# TBITB - test bit in low-order byte
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